Date: Thu, 23 Mar 2000 14:23:14 -0500 From: "Thomas M. Sommers" <tms2@mail.ptd.net> To: hackers@FreeBSD.ORG Subject: Re: Doh, compiler bug... (was Re: possible bug in kernel/if_ether.c) Message-ID: <38DA6F22.90DB3388@mail.ptd.net> References: <20000322225639.T983@reptiles.org> <200003230515.VAA96507@apollo.backplane.com> <20000323054731.W983@reptiles.org> <200003231829.KAA02591@apollo.backplane.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Matthew Dillon wrote: > > :0xc01997a7 <arpintr+123>: sete %al > :0xc01997aa <arpintr+126>: movzbl %al,%ebx BING BING BING! > :0xc01997ad <arpintr+129>: testl %ebx,%ebx > [snip] > What the frig is this 'sete' instruction? And the movzbl ? Move byte > to long? > sete is set byte if equal (zf set). movzbl is as you supposed, but with zero extend. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?38DA6F22.90DB3388>